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2012 25th SIBGRAPI Conference on Graphics, Patterns and Images (2002)
Fortaleza-CE, Brazil
Oct. 7, 2002 to Oct. 10, 2002
ISSN: 1530-1834
ISBN: 0-7695-1846-X
TABLE OF CONTENTS
Introduction

Preface (PDF)

pp. xii

Committees (PDF)

pp. xiii

Reviewers (PDF)

pp. xv
Technical Session 1: Image Segmentation I

Substructural Segmentation Based on Regional Shape Differences (Abstract)

James C. Gee , University of Pennsylvania
Mario F. M. Campos , Federal University of Minas Gerais
Alexei M. C. Machado , Pontifical Catholic University of Minas Gerais
pp. 3

Robust Anisotropic Diffusion to Produce Clear Statistical Parametric Map from Noisy fMRI (Abstract)

Hae Yong Kim , Escola Polit?cnica, Universidade de S?o Paulo
Zang Hee Cho , University of California at Irvine
pp. 11

Semi-Automatic Identification of Optic Disk by Image Processing for Quantitative Funduscopy (Abstract)

Wilian Flavio Rigo , Universidade Federal do Espírito Santo
Aurelio Paulo Batista Da Silva , Universidade Federal do Espírito Santo
Thomas Walter Rauber , Universidade Federal do Espírito Santo
pp. 18

A Semi-Automatic Surface Reconstruction Framework Based on T-Surfaces and Isosurface Extraction Methods (Abstract)

Edilberto Strauss , LCG-Computer Graphics Laboratory, UFRJ-COPPE
Walter Jiménez , LNCC-National Laboratory for Scientific Computing
Antonio A. F. Oliveira , LCG-Computer Graphics Laboratory, UFRJ-COPPE
Rodrigo Silva , LNCC-National Laboratory for Scientific Computing and LCG-Computer Graphics Laboratory, UFRJ-COPPE
Gilson Giraldi , LNCC-National Laboratory for Scientific Computing
pp. 24
Technical Session 2: Visualization

DSVOL II - A Distributed Visualization and Sonification Application Communicating via an XML-Based Protocol (Abstract)

Rosane Minghim , Universidade de S?o Paulo
Veridiana Christie Lucas Salvador , Universidade de S?o Paulo
Haim Levkowitz , University of Massachusetts at Lowell
pp. 35

Dynamic Scene Occlusion Culling Using a Regular Grid (Abstract)

Harlen Costa Batagelo , State University of Campinas
Shin-Ting Wu , State University of Campinas
pp. 43

Visualizing Inner Structures in Multimodal Volume Data (Abstract)

Carla M.D.S. Freitas , Universidade Federal do Rio Grande do Sul
Sérgio S. Furuie , InCor-Instituto do Coração
Silvia D. Olabarriaga , Universidade Federal do Rio Grande do Sul
Isabel H. Manssour , Universidade Federal do Rio Grande do Sul and Pontifícia Universidade Católica do Rio Grande do Sul,
pp. 51

Towards Point-Based Acquisition and Rendering of Large Real-World Environments (Abstract)

Cláudio T. Silva , OGI School of Science and Technology
Wagner T. Corrêa , Princeton University
Shachar Fleishman , Tel-Aviv University
pp. 59
Technical Session 3: Remote Sensing

Multispectral Image Data Fusion Using Projections onto Convex Sets Techniques (Abstract)

Nelson D. A. Mascarenhas , Universidade Federal de S?o Carlos
Marcia L. S. Aguena , Universidade Federal de S?o Carlos
pp. 76

Texture Feature Neural Classifier for Remote Sensing Image Retrieval Systems (Abstract)

Leila Maria Garcia Fonseca , Instituto Nacional de Pesquisas Espaciais
Mauricio Pozzobon Martins , Instituto Nacional de Pesquisas Espaciais
Lamartine N. Frutuoso Guimaratilde;es , Instituto de Estudos Avan?ados
pp. 90
Technical Session 4: Computer Vision

Image Moments-Based Structuring and Tracking of Objects (Abstract)

Lourena Rocha , Instituto Nacional de Matemática Pura e Aplicada
Paulo Cezar P. Carvalho , Instituto Nacional de Matemática Pura e Aplicada
Luiz Velho , Instituto Nacional de Matemática Pura e Aplicada
pp. 99

Filtering Sparse Data with 3D Tensorial Structuring Elements (Abstract)

Aarnaldo De A. Araújo , Universidade Federal de Minas Gerais
Sylvie Philipp-Foliguet , Ecole Nationale Supérieure déElectronique et de ses Applications
Paulo P. Martins JR. , Centro Tecnológico de Minas Gerais
Matthieu Cord , Ecole Nationale Supérieure déElectronique et de ses Applications
Marcelo B. Vieira , Universidade Federal de Minas Gerais and Ecole Nationale Supérieure déElectronique et de ses Applications
pp. 106

Combining Approximate Geometry with View-Dependent Texture Mapping — A Hybrid Approach to 3D Video Teleconferencing (Abstract)

Anselmo Lastra , University of North Carolina at Chapel Hill
Ruigang Yang , University of North Carolina at Chapel Hill
Celso S. Kurashima , University of North Carolina at Chapel Hill and Escola Politécnica da Universidade de São Paulo
pp. 112

Improvement and Invariance Analysis of Zernike Moments using as a Region-Based Shape Descriptor (Abstract)

Ye Bin , Huazhong University of Science & Technology
Peng Jia-xiong , Huazhong University of Science & Technology
pp. 120
Technical Session 5: Image Segmentation II

Robust Watershed Segmentation Using the Wavelet Transform (Abstract)

C. R. Jung , Universidade do Vale do Rio dos Sinos
J. Scharcanski , Universidade Federal do Rio Grande do Sul
pp. 131
Technical Session 6: Geometric Modeling

Approximating Parametric Curves with Strip Trees using Affine Arithmetic (Abstract)

Luiz Henrique De Figueiredo , Instituto de Matemática Pura e Aplicada
Jorge Stolfi , Universidade Estadual de Campinas
Luiz Velho , Instituto de Matemática Pura e Aplicada
pp. 163

Workspace Awareness in Relaxed WYSIWIS Systems (Abstract)

Luiz Gonzaga Da Silveira, Jr. , State University of Campinas
Shin-Ting Wu , State University of Campinas
pp. 171

A Fast and Efficient Projection-Based Approach for Surface Reconstruction (Abstract)

Shankar Krishnan , AT&T Labs
M. Gopi , University of California at Irvine
pp. 179

Beta-Connection: An Approach to Generate Families of Models from Planar Sections (Abstract)

Alex J. Quadros Vargas , USP, Campus de S?o Carlos
Maria Cristina F. De Oliveira , USP, Campus de S?o Carlos
Rosane Minghim , USP, Campus de S?o Carlos
Luis Gustavo Nonato , USP, Campus de S?o Carlos
pp. 187
Technical Session 7: Pattern Recognition I

The Interpersonal and Intrapersonal Variability Influences on Off-Line Signature Verification Using HMM (Abstract)

Edson J. R. Justino , Pontif?cia Universidade Cat?lica do Paran?
Flávio Bortolozzi , Pontif?cia Universidade Cat?lica do Paran?
Robert Sabourin , ?cole de Technologie Sup?rieure
pp. 197

Characterizing and Distinguishing Text in Bank Cheque Images (Abstract)

José Eduardo Bastos Dos Santos , Universit? de Technologie de Compi?gne and Pontif?cia Universidade Cat?lica do Paran?
Bernard Dubuisson , Universit? de Technologie de Compi?gne
Flávio Bortolozzi , Pontif?cia Universidade Cat?lica do Paran?
pp. 203

Evaluating NN and HMM Classifiers for Handwritten Word Recognition (Abstract)

José J. de Oliveira Júnior , Federal University of Campina Grande
Cinthia O. de A. Freitas , Pont?ficia Universidade Cat?lica do Paran?
João M. de Carvalho , Federal University of Campina Grande
Robert Sabourin , ?cole de Technologie Sup?rieure
pp. 210

Wavelet-Based Compared to Function-Based On-Line Signature Verification (Abstract)

Andréa Vergara da Silva , Universidade Federal de Santa Catarina
Daniel Santana de Freitas , Universidade Federal de Santa Catarina
pp. 218
Technical Session 8: Image Synthesis

E-Shell Rendering (Abstract)

Leonardo M. Rocha , University of Campinas
Alexandre X. Falcão , University of Campinas
pp. 229

Re-Slicing Tomographic Volumes with Shell Rendering (Abstract)

Cesar Augusto de Carvalho , Universidade do Sagrado Coração
pp. 240

Multiscale Moment-Based Painterly Rendering (Abstract)

Diego Nehab , Pontifícia Universidade Católica, Rio de Janeiro
Luiz Velho , Instituto de Matemática Pura e Aplicada
pp. 244
Technical Session 9: Pattern Recognition II

A Directional and Parametrized Transition Detection Algorithm Based on Morphological Residues (Abstract)

Arnaldo de Albuquerque Araújo , Universidade Federal de Minas Gerais
Silvio Jamil Ferzoli Guimarães , Universidade Federal de Minas Gerais and A<sup>2</sup>SI/ESIEE
Michel Couprie , A<sup>2</sup>SI/ESIEE
pp. 261

Multiscale Fractal Characterization of Three-Dimensional Gene Expression Data (Abstract)

Edson Tadeu M. Manoel , Universidade de S?o Paulo
Johannes Streicher , University of Vienna
Gerd B. Müller , University of Vienna
Luciano da F. Costa , Universidade de S?o Paulo
pp. 269

Performance Evaluation of Single and Multiple-Gaussian Models for Skin Color Modeling (Abstract)

Silvia D. Olabarriaga , Universidade Federal do Rio Grande do Sul
Tiberio S. Caetano , Universidade Federal do Rio Grande do Sul
Dante A. C. Barone , Universidade Federal do Rio Grande do Sul
pp. 275

A Region-Based Object Recognition Algorithm (Abstract)

Paulo Sérgio Rodrigues , Universidade Federal de Minas Gerais
Arnaldo de Albuquerque Araújo , Universidade Federal de Minas Gerais
pp. 283
Technical Session 10: Image Synthesis and Graphics Hardware

Modeling and Rendering of Individual Feathers (Abstract)

Marcelo Walter , Universidade do Vale do Rio dos Sinos
Cristiano G. Franco , Universidade do Vale do Rio dos Sinos
pp. 293

A Locally Adaptive Edge-Preserving Algorithm for Image Interpolation (Abstract)

Leízza Rodrigues , Universidade Federal de Goi?
Luiz Marcos Gonçalves , Universidade Federal do Rio Grande do Norte
Díbio Leandro Borges , Pontif?cia Universidade Cat?lica do Paran?
pp. 300

Boolean Decomposition of Binary Image Operators (Abstract)

Heraldo Maciel França Madeira , Universidade Federal do Paraná
H?élio Pedrini , Universidade Federal do Paraná
pp. 313
Technical Session 11: Image Processing Applications

Temporal Segmentation of Video Sequences for Content-Based Coding (Abstract)

Juliana F. Camapum Wanderly , Universidade de Bras?lia
Daniel C. Danna , Universidade de Bras?lia
pp. 321

Classifying Images Collected on the World Wide Web (Abstract)

Daniel Ribeiro Gomes , Universidade Federal de Minas Gerais
Camillo Jorge Santos Oliveira , Universidade Federal de Minas Gerais
Arnaldo de Albuquerque Araújo , Universidade Federal de Minas Gerais
Carlos Alberto Severiano Jr. , Universidade Federal de Minas Gerais
pp. 327

Compression of Quincunx Subbands (Abstract)

José Alexandre Nalon , Universidade Estadual de Campinas
João Baptista T. Yabu-uti , Universidade Estadual de Campinas
pp. 335

A Comparison of POCS Algorithms for Tomographic Reconstruction Under Noise and Limited View (Abstract)

Paulo E. Cruvinel , Empresa Brasileira de Instrumenta??o Agropecu?ria - Centro Nacional de Pesquisa e Desenvolvimento de Instrumenta??o Agropecu?ria
Nelson. D. A. Mascarenhas , Universidade Federal de S?o Carlos
Fernando V. Salina , Universidade Federal de S?o Carlos
pp. 342

Minute Feature Analysis in Speckled Imagery (Abstract)

Marcelo de O. Souza , Universidade Federal de Pernambuco
Alejandro C. Frery , Universidade Federal de Pernambuco
Francisco Cribari-Neto , Universidade Federal de Pernambuco
pp. 347
Technical Session 12: Animation and Simulation

Hierarchical Face Modeling and Fast 3D Facial Expression Synthesis (Abstract)

Yu Zhang , Nanyang Technological University
Edmond C. Prakash , Nanyang Technological University
Eric Sung , Nanyang Technological University
pp. 357

Smart Visible Sets for Networked Virtual Environments (Abstract)

Fábio O. Moreira , Universidade Federal do Rio Grande do Sul
Carla M. D.S. Freitas , Universidade Federal do Rio Grande do Sul
João L. D. Comba , Universidade Federal do Rio Grande do Sul
pp. 373

The Abalone Interpolation: A Visual Interpolation Procedure for the Calculation of Cloud Movement (Abstract)

Elke Hergenröther , Fraunhofer Institute for Computer Graphics
Andrzej Trembilski , Fraunhofer Institute for Computer Graphics
Don Middleton , The National Center for Atmospheric Research
Antonio Bleile , ask - Innovative Visualisierungsl?sungen GmbH
pp. 381

Câmbio: Realistic Three Dimensional Simulation of Humanoids based on Computer Vision and Robotics (Abstract)

Schubert R. Carvalho , Universidade Estadual de Campinas
Claus C. Aranha , Universidade Estadual de Campinas
Luiz M. G. Gonçalvez , Universidade Federal do Rio Grande do Norte
pp. 388
Posters Session 1: Image Processing

Nonextensive Entropic Image Thresholding (PDF)

Márcio Abuquerque , Centro Brasileiro de Pesquisas Físicas
Israel Esquef , Centro Brasileiro de Pesquisas Físicas
Marcelo Albuquerque , Centro Brasileiro de Pesquisas Físicas
pp. 402

Image Segmentation by Analysis of Scale-Space (PDF)

Michel Couprie , A<sup>2</sup> SI - ESIEE
Marco António Garcia de Carvalho , A<sup>2</sup> SI - ESIEE and UNICAMP
pp. 403

Human-Perception Handwritten Character Recognition Using Wavelets (PDF)

Robert Sabourin , École de Technologie Supériure
João M. de Carvalho , Universidade Federal da Paraíba
Suzete E. N. Correia , Universidade Federal da Paraíba
pp. 404

A New Paradigm on Fingerprint Classification using Directional Image (PDF)

Silvia M. Farani Costa , Escola Polit?cnica da Universidade de S?o Paulo
João Marcelo V. de Oliveira , Escola Polit?cnica da Universidade de S?o Paulo
Francisco Javier Ramirez Fernandez , Escola Polit?cnica da Universidade de S?o Paulo
pp. 405

A Simple Sketch for 3D Scanning Based on a Rotating Platform and a Web Camera (PDF)

George Thó , Universidade Federal do Rio Grande do Norte
Anderson L. de O. Cavalcanti , Universidade Federal do Rio Grande do Norte
Luiz Marcos Gonc?alves , Universidade Federal do Rio Grande do Norte
Agostinho M. Brito Júnior , Universidade Federal do Rio Grande do Norte
pp. 406

Localization of Brazilian Vehicles Plates Using Frequency Analysis (PDF)

I. A. Esquef , Brazilian Center for Research in Physics
B. Borba , Brazilian Center for Research in Physics, Federal University of Rio de Janeiro and Development and Representation LTDA
J. M. Seixas , DRV - Development and Representation LTDA
C. Vasconcelos , Brazilian Center for Research in Physics and Development and Representation LTDA
Marcelo Albuquerque , Brazilian Center for Research in Physics
Márcio Albuquerque , Brazilian Center for Research in Physics
pp. 408

A Color-Based Retrieval System for Images Collected on the World Wide Web (PDF)

Carlos A. Severiano Jr. , Universidade Federal de Minas Gerais
Arnaldo de A. Araújo , Universidade Federal de Minas Gerais
Camillo J. S. Oliveira , Universidade Federal de Minas Gerais
Daniel R Comes , Universidade Federal de Minas Gerais
pp. 409

Automatic Gray Level Thresholding Based on Relevant Features for Subjective Decisions (PDF)

Fabrício Martin Lopes , Centro Federal de Educa??o Tecnol?gica do Paran?
Luís Augusto Consularo , Universidade Estadual de Maring?
pp. 411

An Improved Architecture for Java Domain Transformation Applications (PDF)

Matheus Cabral de Araújo Gois , CIn/UFPE - Centro de Inform?tica
Alejandro C. Frery , CIn/UFPE - Centro de Inform?tica
pp. 412

A Neural Approach to Classification of Satellite Images (PDF)

Fernando Santos Osório , Universidade do Vale do Rio dos Sinos
Antônio Gabriel Rodrigues , Universidade do Vale do Rio dos Sinos
ArthurTórgo Gomez , Universidade do Vale do Rio dos Sinos
Leandro Toss Hoffmann , Universidade do Vale do Rio dos Sinos
Viviane Todt Diverio , Universidade do Vale do Rio dos Sinos
pp. 413

A Multimedia Information System for Administrative, Scientific and Intervention Data in Conservation-Restoration of Cultural Movable Properties (PDF)

Arnaldo A. Araújo , Universidade Federal de Minas Gerais
Marcelo A. Correa , Universidade Federal de Minas Gerais
Flávio H. C. Nunes , Universidade Federal de Minas Gerais
Luiz A. C. Souza , Universidade Federal de Minas Gerais
pp. 414

CONTEXT: A Technique for Image Retrieval Integrating CONtour and TEXTure Information (PDF)

Matteo Fraschini , Dipartimento di Scienze Mediche Internistiche - Facolt? di Medicina
Andrea Casasnova , Dipartimento di Scienze Mediche Internistiche - Facolt? di Medicina
Sergio Vitulano , Dipartimento di Scienze Mediche Internistiche - Facolt? di Medicina
pp. 416
Posters Session 2: Computer Graphics

Spherical Maps Visualization (PDF)

Marcus Vinícius Alvim Andrade , Universidade Federal de Vi?osa
Francisco Mauro Alves Fonseca , Universidade Federal de Vi?osa
pp. 419

A Speech Orientation Animation System to Disabled People (PDF)

Jesuliana Nascimento Ulysses , Instituto de Computa??o - UFF
Aura Conci , Instituto de Computa??o - UFF
pp. 422

Edugraph: Software to Teach Computer Graphics Concepts (PDF)

Nassim Chamel Elias , Federal University of S?o Carlos
Rodrigo de Godoy Domingues , Federal University of S?o Carlos
André Luiz Battaiola , Federal University of S?o Carlos
pp. 427

Digital Technologies of Learning and Simulation of Virtual Cities: Terrain Editor (MAPPA) (PDF)

Margarete Axt , Universidade Federal do Rio Grande do Sul
Magali Longhi , Centro Universitcirio La Salle and Universidade Federal do Rio Grande do Sul
Marcelo Laserra , Centro Universitcirio La Salle
pp. 428

Three-Dimensional Reconstruction of Urban Scenes from a Single Image (PDF)

Aura Conci , Instituto de Computa??o - UFF
Fabio Policarpo , Paralelo Computa??o and Instituto de Computa??o - UFF
Eduardo Azevedo , Instituto de Computa??o - UFF
pp. 430

Neural Cells Synthesis Using L-System (PDF)

Osvaldo Vargas Jaques , Universidade Federal do Paran?, Centro Universidade da Grande Dourados and Universidade Estadual de Mato Grosso do Sul
Regina Célia Coelho , Universidade Estadual de Maring?
pp. 431

Navegador3D: An Internet Based Flight Simulator of Urban Centers (PDF)

A. de A. Araújo , UFMG/DCC/NPDI
M. Cord , ENSEA/ETIS
M. Jordan , ENSEA/ETIS
M. B. Vieira , UFMG/DCC/NPDI
S. Philipp-Foliguet , ENSEA/ETIS
J. Grillo , INFOSTRATA
pp. 432

An Interactive System for the Visualization and Measurement Extraction in Medical Images (PDF)

Isabel Harb Manssour , Pontif?cia Universidade Cat?lica do Rio Grande do Sul
Ricardo Melo Czekster , Pontif?cia Universidade Cat?lica do Rio Grande do Sul
Matheus Machado de Carvalho , Pontif?cia Universidade Cat?lica do Rio Grande do Sul
pp. 433

On Validating a Physically-Based Deformable Surface Model (PDF)

Vanio Fragoso de Melo , State University of Campinas
Shin-Ting Wu , State University of Campinas
pp. 434

How to Support Collaborative Modelling with the Emerging Standard MPEG-4 MU (PDF)

M. Verdi , Universidade Federal de S?o Carlos
R.B. Araujo , Universidade Federal de S?o Carlos
F. V. Duarte , Universidade Federal de S?o Carlos
pp. 436

Animating Virtual Humans Using Hand Postures (PDF)

Fabio Wilhelms Damasio , Universidade do Vale do Rio dos Sinos
Soraia Raupp Musse , Universidade do Vale do Rio dos Sinos
pp. 437
Author Index

Author Index (PDF)

pp. 439
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